/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/loop-crafted/simple_vardep_2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 14:58:43,556 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 14:58:43,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 14:58:43,624 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 14:58:43,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 14:58:43,631 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 14:58:43,633 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 14:58:43,638 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 14:58:43,642 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 14:58:43,649 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 14:58:43,650 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 14:58:43,652 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 14:58:43,652 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 14:58:43,653 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 14:58:43,654 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 14:58:43,656 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 14:58:43,657 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 14:58:43,658 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 14:58:43,659 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 14:58:43,662 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 14:58:43,663 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 14:58:43,665 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 14:58:43,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 14:58:43,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 14:58:43,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 14:58:43,687 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 14:58:43,687 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 14:58:43,688 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 14:58:43,689 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 14:58:43,693 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 14:58:43,694 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 14:58:43,694 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 14:58:43,695 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 14:58:43,696 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 14:58:43,698 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 14:58:43,698 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 14:58:43,699 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 14:58:43,699 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 14:58:43,699 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 14:58:43,700 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 14:58:43,701 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 14:58:43,702 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 14:58:43,729 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 14:58:43,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 14:58:43,731 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 14:58:43,731 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 14:58:43,731 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 14:58:43,732 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 14:58:43,732 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 14:58:43,732 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 14:58:43,732 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 14:58:43,733 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 14:58:43,733 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 14:58:43,733 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 14:58:43,733 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 14:58:43,733 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 14:58:43,734 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 14:58:43,734 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 14:58:43,734 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 14:58:43,734 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 14:58:43,735 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 14:58:43,735 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 14:58:43,735 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 14:58:43,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 14:58:43,736 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 14:58:43,736 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 14:58:43,736 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 14:58:43,736 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 14:58:43,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 14:58:43,737 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 14:58:43,737 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 14:58:43,737 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 14:58:44,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 14:58:44,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 14:58:44,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 14:58:44,204 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 14:58:44,204 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 14:58:44,205 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_vardep_2.c [2020-10-28 14:58:44,293 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/41cb12c3b/3f07513a42184f8bbe7c39b6dcea6c7d/FLAG48c3a3244 [2020-10-28 14:58:44,955 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 14:58:44,955 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-crafted/simple_vardep_2.c [2020-10-28 14:58:44,962 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/41cb12c3b/3f07513a42184f8bbe7c39b6dcea6c7d/FLAG48c3a3244 [2020-10-28 14:58:45,336 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/41cb12c3b/3f07513a42184f8bbe7c39b6dcea6c7d [2020-10-28 14:58:45,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 14:58:45,348 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 14:58:45,350 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 14:58:45,350 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 14:58:45,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 14:58:45,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 02:58:45" (1/1) ... [2020-10-28 14:58:45,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6660d075 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:58:45, skipping insertion in model container [2020-10-28 14:58:45,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 02:58:45" (1/1) ... [2020-10-28 14:58:45,367 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 14:58:45,380 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 14:58:45,528 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 14:58:45,539 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 14:58:45,557 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 14:58:45,574 INFO L208 MainTranslator]: Completed translation [2020-10-28 14:58:45,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:58:45 WrapperNode [2020-10-28 14:58:45,575 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 14:58:45,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 14:58:45,577 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 14:58:45,577 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 14:58:45,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:58:45" (1/1) ... [2020-10-28 14:58:45,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:58:45" (1/1) ... [2020-10-28 14:58:45,599 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:58:45" (1/1) ... [2020-10-28 14:58:45,599 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:58:45" (1/1) ... [2020-10-28 14:58:45,605 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:58:45" (1/1) ... [2020-10-28 14:58:45,609 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:58:45" (1/1) ... [2020-10-28 14:58:45,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:58:45" (1/1) ... [2020-10-28 14:58:45,612 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 14:58:45,613 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 14:58:45,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 14:58:45,614 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 14:58:45,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:58:45" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 14:58:45,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 14:58:45,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 14:58:45,702 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 14:58:45,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-28 14:58:45,702 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 14:58:45,702 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 14:58:45,703 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 14:58:45,703 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 14:58:45,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 14:58:45,703 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-28 14:58:45,703 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 14:58:45,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 14:58:45,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 14:58:45,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 14:58:45,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 14:58:45,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 14:58:45,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 14:58:45,995 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 14:58:45,996 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-28 14:58:45,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 02:58:45 BoogieIcfgContainer [2020-10-28 14:58:45,998 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 14:58:46,000 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 14:58:46,000 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 14:58:46,004 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 14:58:46,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 02:58:45" (1/3) ... [2020-10-28 14:58:46,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@572cce84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 02:58:46, skipping insertion in model container [2020-10-28 14:58:46,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:58:45" (2/3) ... [2020-10-28 14:58:46,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@572cce84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 02:58:46, skipping insertion in model container [2020-10-28 14:58:46,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 02:58:45" (3/3) ... [2020-10-28 14:58:46,009 INFO L111 eAbstractionObserver]: Analyzing ICFG simple_vardep_2.c [2020-10-28 14:58:46,033 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 14:58:46,045 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 14:58:46,084 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 14:58:46,159 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 14:58:46,160 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 14:58:46,160 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 14:58:46,160 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 14:58:46,160 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 14:58:46,160 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 14:58:46,161 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 14:58:46,161 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 14:58:46,188 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2020-10-28 14:58:46,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-28 14:58:46,197 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:58:46,198 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:58:46,199 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:58:46,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:58:46,211 INFO L82 PathProgramCache]: Analyzing trace with hash 726330133, now seen corresponding path program 1 times [2020-10-28 14:58:46,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:58:46,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1564491473] [2020-10-28 14:58:46,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:58:46,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:46,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:46,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:46,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-28 14:58:46,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:46,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 404 [2020-10-28 14:58:46,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:46,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:46,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:46,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:58:46,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:58:46,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-28 14:58:47,521 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 39 [2020-10-28 14:58:47,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:58:47,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:47,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:47,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:47,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:47,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:47,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 14:58:47,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:47,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:47,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:58:47,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:47,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:58:47,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:58:47,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 14:58:47,653 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1564491473] [2020-10-28 14:58:47,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 14:58:47,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 14:58:47,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618215928] [2020-10-28 14:58:47,663 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 14:58:47,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:58:47,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 14:58:47,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-28 14:58:47,681 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 7 states. [2020-10-28 14:58:47,959 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-10-28 14:58:50,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:58:50,316 INFO L93 Difference]: Finished difference Result 44 states and 56 transitions. [2020-10-28 14:58:50,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 14:58:50,319 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 12 [2020-10-28 14:58:50,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:58:50,326 INFO L225 Difference]: With dead ends: 44 [2020-10-28 14:58:50,327 INFO L226 Difference]: Without dead ends: 22 [2020-10-28 14:58:50,331 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2020-10-28 14:58:50,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2020-10-28 14:58:50,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2020-10-28 14:58:50,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-10-28 14:58:50,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2020-10-28 14:58:50,376 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 12 [2020-10-28 14:58:50,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:58:50,376 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2020-10-28 14:58:50,376 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 14:58:50,377 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2020-10-28 14:58:50,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-28 14:58:50,377 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:58:50,378 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:58:50,378 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 14:58:50,378 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:58:50,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:58:50,379 INFO L82 PathProgramCache]: Analyzing trace with hash -143181352, now seen corresponding path program 1 times [2020-10-28 14:58:50,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:58:50,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [497282716] [2020-10-28 14:58:50,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:58:50,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:50,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:50,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:51,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:51,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 14:58:51,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:58:51,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1361 [2020-10-28 14:58:51,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:51,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:51,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 14:58:51,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:58:51,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 14:58:51,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:58:52,136 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 34 [2020-10-28 14:58:52,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:58:52,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:52,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:52,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:52,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:52,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:52,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:58:52,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:52,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:52,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:58:52,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:52,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:58:52,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:58:52,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 14:58:52,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:52,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:52,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:52,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 14:58:52,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:52,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 14:58:52,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:52,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:52,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:58:52,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:52,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:52,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:58:52,260 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 14:58:52,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [497282716] [2020-10-28 14:58:52,261 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:58:52,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-28 14:58:52,262 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236089737] [2020-10-28 14:58:52,263 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 14:58:52,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:58:52,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 14:58:52,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-28 14:58:52,265 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 8 states. [2020-10-28 14:58:53,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:58:53,132 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2020-10-28 14:58:53,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 14:58:53,133 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2020-10-28 14:58:53,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:58:53,133 INFO L225 Difference]: With dead ends: 22 [2020-10-28 14:58:53,133 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 14:58:53,135 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2020-10-28 14:58:53,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 14:58:53,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 14:58:53,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 14:58:53,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 14:58:53,136 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-10-28 14:58:53,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:58:53,136 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 14:58:53,137 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 14:58:53,137 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 14:58:53,137 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 14:58:53,137 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 14:58:53,139 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 14:58:53,501 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 32 [2020-10-28 14:58:53,642 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 32 [2020-10-28 14:58:53,646 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 6) no Hoare annotation was computed. [2020-10-28 14:58:53,646 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 6) the Hoare annotation is: true [2020-10-28 14:58:53,646 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 6) no Hoare annotation was computed. [2020-10-28 14:58:53,646 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2020-10-28 14:58:53,647 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 14:58:53,647 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-10-28 14:58:53,647 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 14:58:53,647 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 14:58:53,647 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-28 14:58:53,647 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 14:58:53,648 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 14:58:53,648 INFO L277 CegarLoopResult]: At program point mainENTRY(lines 15 28) the Hoare annotation is: true [2020-10-28 14:58:53,648 INFO L270 CegarLoopResult]: At program point L25(line 25) the Hoare annotation is: (let ((.cse6 (div (* main_~i~0 2) 4294967296)) (.cse5 (div main_~j~0 4294967296))) (let ((.cse1 (+ (* 2 main_~i~0) (* 4294967296 .cse5))) (.cse0 (* 4294967296 .cse6)) (.cse2 (* 3 main_~i~0)) (.cse4 (* 4294967296 (div main_~k~0 4294967296))) (.cse3 (+ (* 4294967296 (div (* main_~i~0 3) 4294967296)) main_~k~0))) (and (<= (+ main_~j~0 .cse0) .cse1) (<= .cse2 main_~k~0) (< .cse1 (+ main_~j~0 .cse0 1)) (< .cse3 (+ .cse2 .cse4 1)) (<= .cse5 .cse6) (<= (+ .cse2 .cse4) .cse3)))) [2020-10-28 14:58:53,648 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 15 28) no Hoare annotation was computed. [2020-10-28 14:58:53,649 INFO L270 CegarLoopResult]: At program point L25-1(lines 21 26) the Hoare annotation is: (let ((.cse6 (div (* main_~i~0 2) 4294967296)) (.cse5 (div main_~j~0 4294967296))) (let ((.cse1 (+ (* 2 main_~i~0) (* 4294967296 .cse5))) (.cse0 (* 4294967296 .cse6)) (.cse2 (* 3 main_~i~0)) (.cse4 (* 4294967296 (div main_~k~0 4294967296))) (.cse3 (+ (* 4294967296 (div (* main_~i~0 3) 4294967296)) main_~k~0))) (and (<= (+ main_~j~0 .cse0) .cse1) (<= .cse2 main_~k~0) (< .cse1 (+ main_~j~0 .cse0 1)) (< .cse3 (+ .cse2 .cse4 1)) (<= .cse5 .cse6) (<= (+ .cse2 .cse4) .cse3)))) [2020-10-28 14:58:53,649 INFO L274 CegarLoopResult]: For program point L21-2(lines 15 28) no Hoare annotation was computed. [2020-10-28 14:58:53,649 INFO L277 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 7 13) the Hoare annotation is: true [2020-10-28 14:58:53,649 INFO L270 CegarLoopResult]: At program point L10(line 10) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2020-10-28 14:58:53,649 INFO L274 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 7 13) no Hoare annotation was computed. [2020-10-28 14:58:53,650 INFO L274 CegarLoopResult]: For program point L9(lines 9 11) no Hoare annotation was computed. [2020-10-28 14:58:53,650 INFO L274 CegarLoopResult]: For program point L10-1(line 10) no Hoare annotation was computed. [2020-10-28 14:58:53,650 INFO L274 CegarLoopResult]: For program point L9-2(lines 7 13) no Hoare annotation was computed. [2020-10-28 14:58:53,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 02:58:53 BoogieIcfgContainer [2020-10-28 14:58:53,669 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 14:58:53,671 INFO L168 Benchmark]: Toolchain (without parser) took 8327.51 ms. Allocated memory was 151.0 MB in the beginning and 187.7 MB in the end (delta: 36.7 MB). Free memory was 126.1 MB in the beginning and 118.8 MB in the end (delta: 7.3 MB). Peak memory consumption was 44.9 MB. Max. memory is 8.0 GB. [2020-10-28 14:58:53,672 INFO L168 Benchmark]: CDTParser took 0.70 ms. Allocated memory is still 151.0 MB. Free memory is still 123.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 14:58:53,673 INFO L168 Benchmark]: CACSL2BoogieTranslator took 225.60 ms. Allocated memory is still 151.0 MB. Free memory was 125.4 MB in the beginning and 115.8 MB in the end (delta: 9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-10-28 14:58:53,674 INFO L168 Benchmark]: Boogie Preprocessor took 36.18 ms. Allocated memory is still 151.0 MB. Free memory was 115.8 MB in the beginning and 114.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-10-28 14:58:53,675 INFO L168 Benchmark]: RCFGBuilder took 384.76 ms. Allocated memory is still 151.0 MB. Free memory was 114.4 MB in the beginning and 102.4 MB in the end (delta: 12.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-10-28 14:58:53,677 INFO L168 Benchmark]: TraceAbstraction took 7669.36 ms. Allocated memory was 151.0 MB in the beginning and 187.7 MB in the end (delta: 36.7 MB). Free memory was 101.9 MB in the beginning and 118.8 MB in the end (delta: -16.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 8.0 GB. [2020-10-28 14:58:53,681 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70 ms. Allocated memory is still 151.0 MB. Free memory is still 123.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 225.60 ms. Allocated memory is still 151.0 MB. Free memory was 125.4 MB in the beginning and 115.8 MB in the end (delta: 9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 36.18 ms. Allocated memory is still 151.0 MB. Free memory was 115.8 MB in the beginning and 114.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 384.76 ms. Allocated memory is still 151.0 MB. Free memory was 114.4 MB in the beginning and 102.4 MB in the end (delta: 12.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 7669.36 ms. Allocated memory was 151.0 MB in the beginning and 187.7 MB in the end (delta: 36.7 MB). Free memory was 101.9 MB in the beginning and 118.8 MB in the end (delta: -16.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: ((((j + 4294967296 * (i * 2 / 4294967296) <= 2 * i + 4294967296 * (j / 4294967296) && 3 * i <= k) && 2 * i + 4294967296 * (j / 4294967296) < j + 4294967296 * (i * 2 / 4294967296) + 1) && 4294967296 * (i * 3 / 4294967296) + k < 3 * i + 4294967296 * (k / 4294967296) + 1) && j / 4294967296 <= i * 2 / 4294967296) && 3 * i + 4294967296 * (k / 4294967296) <= 4294967296 * (i * 3 / 4294967296) + k - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.9s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 20 SDtfs, 30 SDslu, 55 SDs, 0 SdLazy, 90 SolverSat, 23 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 14 PreInvPairs, 19 NumberOfFragments, 225 HoareAnnotationTreeSize, 14 FomulaSimplifications, 320 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 9 FomulaSimplificationsInter, 442 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 5384 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 2/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...